Brake vented disk

SUBSTANCE: brake disk comprises flange or splines for it to be attached to wheel hub, working surfaces to interact with brake liners and vent channels. The latter are arranged between working surfaces. Vent channel width A and disk thickness B are selected to satisfy the relationship A/B>0.38.

The invention relates to the field of engineering, namely for ventilated disks for disk brakes.

A device, similar in its technical essence of the present invention [1]. This brake mechanism includes a brake pad, disc brake tracks and the hub, the disk evenly spaced around the circumference of the wheel hub to the rim of the disk is made through the ventilation channels formed by transverse bulkheads in the form of blades. The blade is made curved and equally inclined backwards relative to the direction of rotation of the disk, each blade through one made shorter than the adjacent two long blades. The disadvantage of this design is not sufficiently high cooling efficiency. Also close by its technical nature are brake discs, which implements the well - known solution is to perform the vents so that they are formed as separate elements made in the form of a circle, rhombus, triangle and so on. The drawback of such disks is not a high cooling efficiency.

The claimed invention is directed to improving the efficiency of cooling of the brake disc and thereby to reduce thermal stresses, reducing the intensity of wear of the brake discs and brake pads and how to trace what is it to increase the life of parts of the brake mechanism.
Another objective is to improve the braking performance and stability of the braking properties due to the stability of the coefficient of friction and reduce the degree of warping of the brake disc, which in turn are provided with temperature stability of the brake disc. Ventilation channels brake disc provides airflow through the ventilation channels. When the temperature of the brake disc, the air passing through the vents, cools it. Improving the efficiency of cooling and as a consequence the stability of the temperature of the brake disc is provided by increasing the amount of air passing through the ventilation ducts and square drive elements forming these channels by increasing the width of the channels and as a consequence the thickness of the disk.

The drawing shows a ventilated brake disc (in cross section).

The device includes a flange or slots for attaching to the wheel hub of the vehicle; working surfaces 1 to communicate with the brake pads to make them friction and braking torque, providing braking of the vehicle; ventilation channels 2, located in the region between the working surfaces. The width of the ventilation ducts and the thickness of the disc In you is Olney so,
what is true about the ratio: the ratio of a to In more 0,38 (a/b>0,38).

When braking the vehicle, such as a car, the brake pads are pressed against the working surface of the brake disc. Created on the working surfaces of the drive braking torque is perceived by the hub and the deceleration of the vehicle. As a result of friction of the brake linings on the working surfaces of the heat is generated, part of which is absorbed by the disk. Simultaneously with the rotation of the disk in the vents for air circulation, which, passing through the channels to cool the disk.

Sources of information

[1] the patent of Russian Federation №2212572 C1, 29.01.2002.

Brake disc containing the flange or slots for attaching to the wheel hub, the operating surfaces for engagement with brake pads to make them friction and braking torque, and vents, which are located in the area between the working surfaces, characterized in that the width of the ventilation channels and the thickness of the disk is made so that the true ratio - a/b>0,38.

SUBSTANCE: brake disk comprises flange or splines for it to be attached to wheel hub, working surfaces to interact with brake liners and vent channels. The latter are arranged between the working surfaces. Transition radius of surfaces that make vent channels exceeds four millimetres.

SUBSTANCE: invention relates to automotive industry, namely, to disk brakes. Proposed brake disk is made in cast iron and represents a sliding disk of the disk-type brake. Proposed disk comprises outer edges, inner edges and alternating teeth and gaps along the said inner edges. Note here that it incorporates means designed to reduce fracture formation caused by irregular characteristics of the brake disk elongation. The disk features zones with reduced material thickness in every tooth, as compared with that along the radius outside the gaps between teeth, and has no similar thickness reduction on gaps between teeth. Aforesaid material thickness reduction zones formed in disk casting are located in transition between teeth and main part of brake disk, and pass partially along imaginary circumference with radius of the gap lower parts. Aforesaid zones represent either zones not forming through holes, or zones representing axial openings or holes. Arc-like transition parts with adjacent teeth and or rectilinear or almost rectilinear part between the said transition parts form lower part of every gap. Each transition part features radius R, while rectilinear part length is smaller than 1.5R.

SUBSTANCE: invention relates to automotive industry, particularly, to clasp brakes. The propose clasp brake incorporates a caliper enveloping one or more brake plates, a hub or a part linked up wit the hub. Spreader bars are arranged between the brake disk and hub or the part linked up wit the hub. The spreader bars are arranged to prevent contact between brake plate spline end faces and the hub spline end faces, or the part jointed to the hub, at whatever radial shift of the brake plate relative to the hub or the part jointed thereto. At least, one part of the spreader bar features such sizes and rigidity relative to the brake plate, hub or part splines that, at whatever radial shifts of the brake plate to the hub or part jointed thereto, all radial forces are transmitted from the brake plate to the hub or the part jointed to it only via, at least, one part of the spreader bar. The sizes are selected so as to provide a contact between the brake plate spline end faces those of the hub or the part jointed thereto in rotary engagement between the brake plate and hub or the part jointed thereto to transmit rotary motion in braking.

EFFECT: damping radial impacts or radial shifts between brake plate and hub, particularly, between end faces of appropriate splines.

SUBSTANCE: clasp brake incorporates a caliper with one or more brake-shoe linings surrounding one or more brake disks. One of the brake disks slides on over the central part representing a hub, sleeve or the like part. The said central part is fitted on the wheel axle or the like part. The disks are coupled with the central part with the help of teeth, splines or the like parts so the disks cannot rotate but are fitted to slide on along the axle. The contact parts of the teeth or the like parts of at least one disk and/or of the central part feature an arc-like shape if seen along the wheel axle. The contact parts represent the parts of the teeth surfaces to be engaged with each other with the brake released. The said contact parts of every tooth and/or spline of the said central part feature the arc-like shape with the total arc length exceeding 360°/Z, and preferably larger than 2(360°/Z), where Z is the number of teeth of the disk and central part respectively.

SUBSTANCE: proposed brake disk contains friction member made of carbon composition with rectangular slots uniformly spaced over circumference in each of which two metal U-shaped load-bearing clamp-like inserts are fitted. Each such clamp engages by walls with side surface of slot and end face surfaces of friction member, being secured on disk by rivets. At least two vertical cuts pointed to each other and displaced relative to each other are made in each clamp on walls in contact with end face surfaces of friction member. Cuts are made to provide elastic deformation of clamp and its mounting on friction member with preload to guarantee locking of clamp to prevent its turning relative to axis of rivet.

EFFECT: improved reliability and increased service life of disk owing to prevention of destruction of friction member made of monocarbon under action of thermal, power and vibration loads.

SUBSTANCE: disk brake comprises support that is rigidly connected to the brake and embraces one or more brake disks, at least one stop plate, and set of braking linings. The brake disks are mounted on the rotating hub without permitting rotation with respect to the hub and for permitting movement in the axial direction with respect to the hub by means of springs for transmitting brake moment from the brake disk to the hub. The braking linings are mounted for permitting movement in the axial direction inside the support that undergoes loading on the brake linings. The support has an opening through which the brake lining can be inserted or removed.

SUBSTANCE: surface of the rotor is subjected to electric-spark grinding or electro-erosion treatment. The part of the rotor of the braking mechanism to be treated by electro-erosion is made of a conducting material, preferably of ferrous metal, iron, and gray cast iron. The braking disk of the rotor is solid or ventilated.

SUBSTANCE: disc has assembly bulge for fastening to nave of transportation vehicle wheel and back band connected with bulge and having opposite surfaces of braking to provide interaction with brackets of brake's support to have an breaking effect onto transportation vehicle. At least one braking surface has at least one pair of channels, which have to be reflectively symmetrical to radius of disc. Channels pass in such a manner to embrace the whole thickness of back band, which intends for interaction with brackets. Continuity of each channel is provided along its total length. All four channels of at least one pair of channels pass the route which has at least one straight part and one curved part. Each channel of any pair of channels has at least a part of its route, which is located close to inner edge of back band and is oriented at radial direction mainly. Moreover mentioned channels of at least one pair of channels do not cross each other. All four channels pass the route without being damaged. Any channel passes the route from head or inner end to tail or inner end. The end mentioned is closed with dead edge where side walls of channel connect to each other.

SUBSTANCE: ventilated disk comprises friction ways connected with the bearing hub of the disk through connecting members made of studs distributed over the periphery of the bearing hub of the disk. One end of the stud is provided with a gripping device embedded in the material of the friction way. The opposite end of the stud is made of an insert which slides in axial direction in the material of the bearing hub of the disk. The friction ways and bearing hub of the disk are cast with the use of the common casting rod with studs.

SUBSTANCE: ventilated disk comprises friction ways connected with the bearing hub of the disk through connecting members made of studs distributed over the periphery of the bearing hub of the disk. One end of the stud is provided with a gripping device embedded in the material of the friction way. The opposite end of the stud is made of an insert which slides in axial direction in the material of the bearing hub of the disk. The friction ways and bearing hub of the disk are cast with the use of the common casting rod with studs.

SUBSTANCE: disc has assembly bulge for fastening to nave of transportation vehicle wheel and back band connected with bulge and having opposite surfaces of braking to provide interaction with brackets of brake's support to have an breaking effect onto transportation vehicle. At least one braking surface has at least one pair of channels, which have to be reflectively symmetrical to radius of disc. Channels pass in such a manner to embrace the whole thickness of back band, which intends for interaction with brackets. Continuity of each channel is provided along its total length. All four channels of at least one pair of channels pass the route which has at least one straight part and one curved part. Each channel of any pair of channels has at least a part of its route, which is located close to inner edge of back band and is oriented at radial direction mainly. Moreover mentioned channels of at least one pair of channels do not cross each other. All four channels pass the route without being damaged. Any channel passes the route from head or inner end to tail or inner end. The end mentioned is closed with dead edge where side walls of channel connect to each other.

SUBSTANCE: surface of the rotor is subjected to electric-spark grinding or electro-erosion treatment. The part of the rotor of the braking mechanism to be treated by electro-erosion is made of a conducting material, preferably of ferrous metal, iron, and gray cast iron. The braking disk of the rotor is solid or ventilated.

SUBSTANCE: disk brake comprises support that is rigidly connected to the brake and embraces one or more brake disks, at least one stop plate, and set of braking linings. The brake disks are mounted on the rotating hub without permitting rotation with respect to the hub and for permitting movement in the axial direction with respect to the hub by means of springs for transmitting brake moment from the brake disk to the hub. The braking linings are mounted for permitting movement in the axial direction inside the support that undergoes loading on the brake linings. The support has an opening through which the brake lining can be inserted or removed.

SUBSTANCE: proposed brake disk contains friction member made of carbon composition with rectangular slots uniformly spaced over circumference in each of which two metal U-shaped load-bearing clamp-like inserts are fitted. Each such clamp engages by walls with side surface of slot and end face surfaces of friction member, being secured on disk by rivets. At least two vertical cuts pointed to each other and displaced relative to each other are made in each clamp on walls in contact with end face surfaces of friction member. Cuts are made to provide elastic deformation of clamp and its mounting on friction member with preload to guarantee locking of clamp to prevent its turning relative to axis of rivet.

EFFECT: improved reliability and increased service life of disk owing to prevention of destruction of friction member made of monocarbon under action of thermal, power and vibration loads.

SUBSTANCE: clasp brake incorporates a caliper with one or more brake-shoe linings surrounding one or more brake disks. One of the brake disks slides on over the central part representing a hub, sleeve or the like part. The said central part is fitted on the wheel axle or the like part. The disks are coupled with the central part with the help of teeth, splines or the like parts so the disks cannot rotate but are fitted to slide on along the axle. The contact parts of the teeth or the like parts of at least one disk and/or of the central part feature an arc-like shape if seen along the wheel axle. The contact parts represent the parts of the teeth surfaces to be engaged with each other with the brake released. The said contact parts of every tooth and/or spline of the said central part feature the arc-like shape with the total arc length exceeding 360°/Z, and preferably larger than 2(360°/Z), where Z is the number of teeth of the disk and central part respectively.

SUBSTANCE: invention relates to automotive industry, particularly, to clasp brakes. The propose clasp brake incorporates a caliper enveloping one or more brake plates, a hub or a part linked up wit the hub. Spreader bars are arranged between the brake disk and hub or the part linked up wit the hub. The spreader bars are arranged to prevent contact between brake plate spline end faces and the hub spline end faces, or the part jointed to the hub, at whatever radial shift of the brake plate relative to the hub or the part jointed thereto. At least, one part of the spreader bar features such sizes and rigidity relative to the brake plate, hub or part splines that, at whatever radial shifts of the brake plate to the hub or part jointed thereto, all radial forces are transmitted from the brake plate to the hub or the part jointed to it only via, at least, one part of the spreader bar. The sizes are selected so as to provide a contact between the brake plate spline end faces those of the hub or the part jointed thereto in rotary engagement between the brake plate and hub or the part jointed thereto to transmit rotary motion in braking.

EFFECT: damping radial impacts or radial shifts between brake plate and hub, particularly, between end faces of appropriate splines.

SUBSTANCE: invention relates to automotive industry, namely, to disk brakes. Proposed brake disk is made in cast iron and represents a sliding disk of the disk-type brake. Proposed disk comprises outer edges, inner edges and alternating teeth and gaps along the said inner edges. Note here that it incorporates means designed to reduce fracture formation caused by irregular characteristics of the brake disk elongation. The disk features zones with reduced material thickness in every tooth, as compared with that along the radius outside the gaps between teeth, and has no similar thickness reduction on gaps between teeth. Aforesaid material thickness reduction zones formed in disk casting are located in transition between teeth and main part of brake disk, and pass partially along imaginary circumference with radius of the gap lower parts. Aforesaid zones represent either zones not forming through holes, or zones representing axial openings or holes. Arc-like transition parts with adjacent teeth and or rectilinear or almost rectilinear part between the said transition parts form lower part of every gap. Each transition part features radius R, while rectilinear part length is smaller than 1.5R.

SUBSTANCE: brake disk comprises flange or splines for it to be attached to wheel hub, working surfaces to interact with brake liners and vent channels. The latter are arranged between the working surfaces. Transition radius of surfaces that make vent channels exceeds four millimetres.

SUBSTANCE: brake disk comprises flange or splines for it to be attached to wheel hub, working surfaces to interact with brake liners and vent channels. The latter are arranged between working surfaces. Vent channel width A and disk thickness B are selected to satisfy the relationship A/B>0.38.